Institution: | (1) Department of Management Science and Information Systems, Penn State University, 310 Beam, 16802 University Park, PA, USA;(2) Institut d'Anàlisi Econòmica (CSIC), Campus UAB, 08193 Bellaterra, Barcelona, Spain;(3) Axel Ockenfels, Faculty of Economics and Management, University of Magdeburg, Postfach 4120, D-39016 Magdeburg, Germany |